import type { Transform, Writable } from 'stream';
export interface StreamSource extends NodeJS.ReadableStream {
    statusCode?: number;
    headers?: Record<string, string>;
    size?: number;
    basename?: string;
    filename?: string;
}
export interface SourceStats {
    size?: number;
    basename?: string;
}
export type Pipeline = Array<Transform | Writable>;
export type Source = StreamSource | string;
export interface Progress {
    percentage: number;
    transferred: number;
    length: number;
    remaining: number;
    eta: number;
    runtime: number;
    delta: number;
    speed: number;
    progress: string;
    basename?: string;
}
export type Options = {
    basename?: string;
    filename?: string;
    size?: number;
    type?: string;
    force?: boolean;
    strip?: number;
    progress?: (update: Progress) => void;
    concurrency?: number;
};
export interface OptionsInternal extends Options {
    fullPath?: string;
    source?: Source;
    now?: Date;
    time?: number;
}
export type Callback = (error?: Error | null) => void;